A-Frame Pipe (AFP) Bottom Loading Arm

Description:

A-Frame Pipe (AFP) Bottom Loading Arm

Coupling Category

Bottom Loading Arm

Manufacturer

OPW Engineered Systems

AFP Order Guide

The AFP (A-Frame Pipe) Loader is a popular loading arm configuration due to its flexibility and convenience of use. Ideal for lower riser heights and when crossover isn’t as important (one or two fueling lines). Similar to our AFH Loader, but utilizes piping in place of hose to simplify maintenance.

Features & Benefits:

  • 3000 Series Swivel Joints
    • Simple, Proven Design
    • Carbon Steel/Aluminum Construction
    • Low-Temperature Fluorocarbon Seals
    • Wide Compatibility
    • 790 EZ Adjust Counterbalance
      • Safe, Easy Spring Adjustment
      • Integral Upward, Downward Travel Stops
    • Braided Stainless Steel or Rackmaster Composite Hoses
    • Available with Lynx Bottom Loading Coupler
    • Available in 3” and 4” Sizes
    • Stores in Upright, Near-Vertical Position
    • Low Riser Mounting Heights

    Technical Features

    Materials (CA) Carbon Steel/Aluminum
    Seals Low-Temp Fluorocarbon
    Working Pressure 80 PSI (5.5 Bar)
    Test Pressure 120 PSI (8.2 Bar)
    Operating Temperature -20ºF to 140ºF (-29ºC to 60ºC)
    Up/Down Angular Movement 80º to 45º (from horizontal)
    Typical Horizontal Spacing 24" (610 mm)
    Typical Vertical Spacing 18" (457 mm)
    Typical Reach (radius) 60" (1,524 mm)
    Nominal Diameter 3" and 4"
    Typical Flow Rates (Velocities < 15 ft/sec (7.5 m/sec)) 200-600 GPM (757-2271 LPM)
    Weight ~275 lbs*
    *Estimated weight for entire Loading Arm (72" Reach). Weight can vary depending on selected options.


    Materials of Construction

    Inlet Flange 4" 150 ANSI ASTM A105
    Inlet Swivel Ductile Iron ASTM A536 
    Primary Arm Piping Sch 40 Aluminum ASTM B241
    Apex Swivel (p/n 3640FT-0402)
    Aluminum ASTM B26 A356 T6
    Coupler Swivel (p/n 3635FTH-0402) Aluminum ASTM B26 A356 T6
    Drop Hoses

    (L1980) Braided Stainless Steel, TTMA Ends

    (L19081) Rackmaster Composite, TTMA Ends

    Isolation Valve (LBV450VGL) Cast Aluminum/Fluorocarbon
    Spacer Spool (p/n VSS4) Cast Aluminum AA601
    API Coupler (p/n 1004D3, Lynx852VG) Aluminum/Fluorocarbon


    Additional Information

    Weld Protection Per the ASME Boiler & Pressure Vessel Code Section IX
    Radiograph/X-Ray Per OPW Standard, 5% random/factory lot
    Testing All assembled Loading Arms shall be tested to 1.5X the rated design pressure.
    Surface Treatments All Carbon Steel components to be protected with a 2-part paint process. Aluminum components to be unpainted.
    Lubricant OPW 880 High-Performance Synthetic Lubricant
    Gasketing KlingerSil C5400


    Recommended Spare Parts List**

    Part # Description Where Used Qty/Arm
    3000RK-0402 3000 Series Swivel Seal Kit, 4" Fluorocarbon All Swivels (Counterbalance, Apex, Coupler Swivels) 5
    1004D3SRK-0402 Coupler Seal Repair Kit, 4" Fluorocarbon 1004D3-0402 (API Coupler) 1
    API850VGSK Coupler Seal Repair Kit, 4" Fluorocarbon Lynx852VG (API Coupler) 1
    **Other seal kits/materials available upon request
A-Frame Pipe (AFP) Bottom Loading Arm
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